Today's Message Index:
----------------------
1. 02:35 AM - The List Fund Raiser - Great Gifts! (Matt Dralle)
2. 05:18 AM - Re: Is it normal?? (A. Dennis Savarese)
3. 05:37 AM - Re: Is it normal?? (A. Dennis Savarese)
4. 06:33 AM - Re: Is it normal?? (Ernie)
5. 11:48 PM - Yak 50 gear fail (Mark Jefferies)
Message 1
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| Subject: | The List Fund Raiser - Great Gifts! |
--> Yak-List message posted by: Matt Dralle <dralle@matronics.com>
Dear Listers,
Just a reminder that we're well into this year's Email List Fund
Raiser! Response has been great so far and there has been a lot of
interest in the Gift options. Speaking of those Gifts, if you haven't
already checked out the nice selection you owe it to yourself to check them
out. They are once again provided by Andy Gold of the Builder's Bookstore
www.buildersbooks.com. The gifts this year include the following items:
* List Archive CD
* Aircraft Fuel Tester
* Builder's Logbook
* Mechanic's Toolbox CDROM
* 24 Years of the RVator
* Powerplant Video
* Jeppesen VFR Kneeboard
Won't you make a Contribution today to support the these valuable Email
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Please take a moment and make a generous Contribution today. It only takes
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I'd like to say a special "thank you!" to everyone one who has made
Contribution so far this year!! I really appreciate your generosity!
Best regards,
Matt Dralle
Email List Administrator
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
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Message 2
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| Subject: | Re: Is it normal?? |
--> Yak-List message posted by: "A. Dennis Savarese" <adsavar@gte.net>
Hi Pete,
We discussed this yesterday. As I said, I seriously doubt the prop blades
have been properly set. In fact, I would probably bet you a $100 bill based
on the fact that you told me a mechanic had set them. See attached from the
DOWNLOADS page on my web site, www.yak-52.com.
I contacted Rich Hess yesterday after we spoke. He's the flight instructor
I mentioned. Expect a telephone call from him if he hasn't called you
already.
I'll be in my office this morning until around 10-10:30 central time if you
want to call and try and schedule the maintenance training class.
Otherwise, email a telephone number and I'll call you this evening and
synchronize.
Best wishes,
A. Dennis Savarese
334-285-2141 office
334-546-8182 cell
www.yak-52.com
----- Original Message -----
From: <PeteAbbott@aol.com>
Subject: Re: Yak-List: Is it normal??
> --> Yak-List message posted by: PeteAbbott@aol.com
>
> I am a new owner of a Yak 52. Is it normal to only be able to generate
86%
> power with the prop full forward with the aircraft sitting still with the
> breaks on??
>
> I have heard several different answers to this. What's up?
>
> Pete Abbott
>
> N852GC
> 88 Yak 52 with 400 HRS
>
>
Message 3
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| Subject: | Re: Is it normal?? |
--> Yak-List message posted by: "A. Dennis Savarese" <adsavar@gte.net>
Ernie,
I discussed this problem on the phone with Pete yesterday. He is about 450'
above sea level. I told him to look at his MP gauge while the aircraft is
shut down. It should read somewhere around 750-770 mmHg as standard
atmospheric pressure on a standard day is 29.92" at sea level or 760 mm.
Pete said he was only getting around 600 mm with the throttle wide open and
the prop full forward.
Pete also told me some mechanic had "adjusted" the prop blades. Bad news if
he was not familiar with the V530 prop hub or the specs of 14.5 degrees at 1
meter from the center of the hub or 8" in from the tip. The aircraft's
resting angle of incidence must also be included in the calculations. Based
on the numerous incorrectly set blade angles causing the same type of
problem that I have seen, I would guess the blades are probably incorrectly
set. I emailed him a copy of the procedure on how to properly check/set the
blade angles, which is on my web site on the Downloads page.
Dennis
----- Original Message -----
From: "Ernie" <ernest.martinez@oracle.com>
Subject: Re: Yak-List: Is it normal??
> --> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
>
> Whats your density altitude? Any anything near sea level I would expect
> 100%.
> Ernie
> ----- Original Message -----
> From: <PeteAbbott@aol.com>
> To: <yak-list@matronics.com>
> Subject: Re: Yak-List: Is it normal??
>
>
> > --> Yak-List message posted by: PeteAbbott@aol.com
> >
> > I am a new owner of a Yak 52. Is it normal to only be able to generate
> 86%
> > power with the prop full forward with the aircraft sitting still with
the
> > breaks on??
> >
> > I have heard several different answers to this. What's up?
> >
> > Pete Abbott
> >
> > N852GC
> > 88 Yak 52 with 400 HRS
> >
> >
>
>
Message 4
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| Subject: | Re: Is it normal?? |
--> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
Sounds good to me.
Ernie
----- Original Message -----
From: "A. Dennis Savarese" <adsavar@gte.net>
Subject: Re: Yak-List: Is it normal??
> --> Yak-List message posted by: "A. Dennis Savarese" <adsavar@gte.net>
>
> Ernie,
> I discussed this problem on the phone with Pete yesterday. He is about
450'
> above sea level. I told him to look at his MP gauge while the aircraft is
> shut down. It should read somewhere around 750-770 mmHg as standard
> atmospheric pressure on a standard day is 29.92" at sea level or 760 mm.
> Pete said he was only getting around 600 mm with the throttle wide open
and
> the prop full forward.
>
> Pete also told me some mechanic had "adjusted" the prop blades. Bad news
if
> he was not familiar with the V530 prop hub or the specs of 14.5 degrees at
1
> meter from the center of the hub or 8" in from the tip. The aircraft's
> resting angle of incidence must also be included in the calculations.
Based
> on the numerous incorrectly set blade angles causing the same type of
> problem that I have seen, I would guess the blades are probably
incorrectly
> set. I emailed him a copy of the procedure on how to properly check/set
the
> blade angles, which is on my web site on the Downloads page.
>
> Dennis
>
>
> ----- Original Message -----
> From: "Ernie" <ernest.martinez@oracle.com>
> To: <yak-list@matronics.com>
> Subject: Re: Yak-List: Is it normal??
>
>
> > --> Yak-List message posted by: "Ernie" <ernest.martinez@oracle.com>
> >
> > Whats your density altitude? Any anything near sea level I would expect
> > 100%.
> > Ernie
> > ----- Original Message -----
> > From: <PeteAbbott@aol.com>
> > To: <yak-list@matronics.com>
> > Subject: Re: Yak-List: Is it normal??
> >
> >
> > > --> Yak-List message posted by: PeteAbbott@aol.com
> > >
> > > I am a new owner of a Yak 52. Is it normal to only be able to
generate
> > 86%
> > > power with the prop full forward with the aircraft sitting still with
> the
> > > breaks on??
> > >
> > > I have heard several different answers to this. What's up?
> > >
> > > Pete Abbott
> > >
> > > N852GC
> > > 88 Yak 52 with 400 HRS
> > >
> > >
> >
> >
>
>
Message 5
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"European Yak Club" <club-yak@yakclub.org>
| Subject: | Yak 50 gear fail |
--> Yak-List message posted by: "Mark Jefferies" <mark.j@yakuk.com>
Last week a YAK 50 had gear seal failure and the emg did not manage to push
the gear down either (seals dont have backups!!) so the owner elected to
land on Grass, the oil scoop dug in wiped it clean off, rolled the cooler
along between a/c and ground punching 3 holes in the fuse, totally f%$
*
the a/c, it wont be far of insurance write of. Jez did the same and that was
similar damage. So, if you have to do a gear up or a single leg landing do
it on a hard runways, as Jim (titan) demonstrated and others the oil cooler
cover is strong enough to support the a/c it just gets filed down a little,
repairs are quick and easy. With a single gear leg down the prop does not
even touch the ground and a little wing tip gets filed away, again a simple
fix again.
Hope the above is helpful if your unfortunate to be in these circumstances.
Best regards, fly safe-Mark Jefferies
For YAK UK Ltd www.yakuk.com
Lt Gransden Airfield
Sandy, Beds
SG19 3BP
England.
Tel +44 (0)1767 651156.
Fax +44 (0)1767 651157
Mobile +44 (0)7785 538 317
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